CN211683232U - Zero offset ejector block mechanism of injection mold for automobile door plate decorating parts - Google Patents

Abstract

A zero-offset ejector block mechanism of an injection mold for decorating parts of automobile door panels comprises a fixed mold compound plate, a fixed mold plate, a movable mold compound plate, a runner frame, a runner plate, a bottom plate, mold feet and a movable mold plate, wherein an injection molded product is arranged between the movable mold plate and the fixed mold plate, a concave-convex assembly part, a boundary reverse buckle, a fixed column hole and a positioning column hole are arranged on the product, a concave-convex assembly ejector block, a boundary ejector block and a reverse buckle ejector block are correspondingly arranged on the movable mold plate, the concave-convex assembly ejector block is matched with the concave-convex assembly part, the boundary ejector block is matched with the outer side edge of the boundary reverse buckle, the reverse buckle ejector block is matched with the outer side edge of the boundary reverse buckle, a small ejector block is arranged in the concave-convex assembly ejector block, the small ejector block is matched with the periphery of the outer wall of the fixed column hole, a column hole core rod is arranged in the concave-convex assembly ejector block, the hole core rod is matched with the inner hole wall of the fixed column hole, the concave-convex assembly top block surrounds the periphery of the outer wall of the positioning column hole.

Description

Zero offset ejector block mechanism of injection mold for automobile door plate decorating parts

Technical Field

The utility model relates to a zero offset kicking block mechanism of car door plant decoration injection mold belongs to the injection mold field.

Background

Adopt injection mold to produce plastic products, for example plastic products such as car door plant decorative board, in order to improve the product grade, increase and decorate aesthetic property, ann has the triangle decoration on car door plant decorative board, according to product structure and appearance analysis, be used for installing assembly structure such as unevenness's surface feature and back-off, buckle, fixed post hole on the decorative board at triangle decoration position, traditional mould can't realize the shaping and the drawing of patterns of these characteristics and structure.

Disclosure of Invention

The utility model aims at overcoming prior art's shortcoming, provide one kind and adopt oblique top, straight top and ejector pin to make up mutually, realize the zero disconnected poor shaping and the drawing of patterns of product, the smooth no trace in product surface, of high quality, the zero disconnected poor kicking block mechanism of car door plant decoration injection mold that the grade is high.

The utility model discloses zero disconnected poor kicking block mechanism of car door plant decoration injection mold's technical scheme is: the die comprises a fixed die compound plate and a movable die compound plate, wherein a fixed die plate is arranged below the fixed die compound plate, a runner frame is arranged on the movable die compound plate, a runner plate is arranged in the runner frame, a bottom plate is arranged on the runner frame, die feet are arranged on the bottom plate, a movable die plate is arranged on the die feet, a die cavity is arranged between the movable die plate and the fixed die plate, an injection molded product is arranged in the die cavity, a concave-convex assembly part, a boundary inverse buckle, a fixed column hole and a positioning column hole are formed in the product, and a lower top plate, a middle top plate and an upper top plate are arranged between the die feet;

the concave-convex assembly ejector block is matched with the concave-convex assembly part, the concave-convex assembly ejector block is connected with the concave-convex straight ejector rod, and the concave-convex straight ejector rod is connected with the lower ejector plate;

the boundary top block is matched with the outer side edge of the boundary reverse buckle, a boundary straight ejector rod is connected below the boundary top block, and the boundary straight ejector rod is connected with a lower top plate;

the reverse-buckling top block is positioned below the concave-convex assembly top block, the reverse-buckling top block is matched with the outer side edge of the boundary reverse buckle, a reverse-buckling inclined ejector rod is connected below the boundary reverse buckle, an inclined sliding seat is arranged in the middle top plate, and the reverse-buckling inclined ejector rod is connected with the inclined sliding seat;

the concave-convex assembly ejector block is internally provided with a small ejector block, the head of the small ejector block extends out of the concave-convex assembly ejector block to be matched with the periphery of the outer wall of the fixed column hole, a small ejector rod is connected below the small ejector block and connected with an upper ejector plate, a column hole core rod is installed in the concave-convex assembly ejector block and matched with the inner hole wall of the fixed column hole;

the lower top plate is connected with a push pipe, the bottom plate is connected with a thimble, the thimble penetrates through the push pipe and is matched with the inner hole wall of the positioning column hole, and the concave-convex assembly ejector block surrounds the periphery of the outer wall of the positioning column hole.

The utility model discloses a zero offset kicking block mechanism of automobile door plant decoration injection mold is equipped with die sinking distance drag hook and the die sinking distance drag hook of second time for the first time at the outer wall of mould, (the distance drag hook is the standard part of mould spare part, for prior art, has on the market to sell, also can oneself process.)

The first die opening and distance pulling hook is connected between the lower top plate and the fixed die plate, the second die opening and distance pulling hook is connected between the upper top plate and the fixed die plate, when the die is opened, the movable die plate and the fixed die plate are driven by power to be separated from each other, the lower top plate, the middle top plate and the upper top plate are pulled upwards together under the action of the first die opening and distance pulling hook, the lower top plate drives the concave-convex straight ejector rods and the boundary straight ejector rods, the middle top plate drives the inverse buckling inclined ejector rods through the inclined slide seats, the upper ejector plates drive the push pipes, the concave-convex straight ejector rods drive the concave-convex assembly ejector blocks to vertically push upwards, the boundary straight ejector rods drive the boundary ejector blocks to vertically push upwards, the inverse buckling inclined ejector rods drive the inverse buckling ejector blocks to obliquely push upwards, the push pipes push against the bottoms of the positioning column holes, meanwhile, the upper ejector plates drive the small ejector rods, the small ejector blocks drive the small ejector blocks to vertically push upwards, in the process, products are ejected from the driven by, after the mold is opened for a certain distance, the first mold opening distance drag hook is separated from the lower top plate and the middle top plate, the mold continues to open the mold, at the moment, the lower top plate and the middle top plate are not moved, the concave-convex assembly part, the boundary reverse buckle and the positioning column hole are separated, the second mold opening distance drag hook drives the small ejector rod and the small ejector block on the upper top plate to continue to eject upwards, the product is ejected from the mold completely, at the moment, the product is taken out from the mold by manpower or a mechanical arm, in the process of taking out, the fixed column hole is separated from the small ejector block, and the product demolding is completed. The zero-offset ejector block mechanism has the advantages that each ejector block is compact and ingenious in design, seamless and traceless in matching, zero-offset assembly is achieved, and injection molded products are good in quality and high in grade.

Drawings

FIG. 1 is a schematic structural view of an injection mold for automobile door panel decoration parts of the present invention;

FIG. 2 is a schematic enlarged view of a part of the product of the present invention;

FIG. 3 is a schematic view showing the state of the product of the present invention separated from each of the ejector blocks;

FIG. 4 is a schematic view showing the assembling relationship of the boundary reverse buckle, the reverse buckle oblique mandril and the oblique sliding seat of the present invention;

FIG. 5 is a schematic view of the assembly relationship of the small ejector block, the small ejector rod and the concave-convex assembly ejector block of the present invention;

fig. 6 is a schematic view of the assembly relationship between the push tube and the thimble according to the present invention.

Detailed Description

The utility model relates to a zero offset ejector block mechanism of an injection mold for automobile door plate decorating parts, as shown in figures 1-6, comprising a fixed mold compound plate 1 and a movable mold compound plate 2, a fixed mold plate 3 is arranged under the fixed mold compound plate, a runner frame 4 is arranged on the movable mold compound plate, a runner plate 5 is arranged in the runner frame, a bottom plate 6 is arranged on the runner frame, a mold foot 7 is arranged on the bottom plate, a movable mold plate 8 is arranged on the mold foot, a mold cavity is arranged between the movable mold plate 8 and the fixed mold plate 3, an injection molded product 9 is arranged in the mold cavity, a concave-convex assembly part 91, a boundary inverse buckle 92, a fixed column hole 93 and a positioning column hole 94 are arranged on the product, a lower top plate 10, a middle top plate 11 and an upper top plate 12 are arranged between the mold feet 7, a concave-convex assembly ejector block 15, a boundary ejector block 16 and an inverse buckle ejector block 17 which correspond to a concave-convex assembly part 91 and a concave assembly part 92 and a boundary inverse buckle 92 are arranged, the concave-convex straight ejector rod 20 is connected below the concave-convex assembly ejector block 15, the concave-convex straight ejector rod 20 is connected with the lower ejector plate 10, the boundary ejector block 16 is matched with the outer side edge of the boundary inverse buckle 92, the boundary ejector block 16 is connected with the boundary straight ejector rod 25, the boundary straight ejector rod 25 is connected with the lower ejector plate 10, the inverse buckle ejector block 17 is positioned below the concave-convex assembly ejector block 15, the inverse buckle ejector block 17 is matched with the inner side edge of the boundary inverse buckle 92, the inverse buckle oblique ejector rod 28 is connected below the boundary inverse buckle 92, an oblique slide seat 29 is arranged in the middle ejector plate 11, the inverse buckle oblique ejector rod 28 is connected with the oblique slide seat 29, the concave-convex assembly ejector block 15 is internally provided with a small ejector block 30, the head of the small ejector block 30 extends out of the concave-convex assembly ejector block 15 to be matched with the outer wall of the fixed column hole 93, the small ejector block is connected with a small ejector rod 31 at the lower periphery, the small ejector rod is connected with the upper ejector plate 12, the lower top plate 10 is connected with a push pipe 35, the bottom plate 6 is connected with a thimble 36, the thimble 36 passes through the push pipe 35 and is matched with the inner hole wall of the positioning column hole 94, and the concave-convex assembly ejector block 15 surrounds the periphery of the outer wall of the positioning column hole 94.

A first die opening distance drag hook and a second die opening distance drag hook are arranged on the outer wall of the die, the distance drag hooks are standard parts of die parts, are available in the prior art and can be processed by themselves, the first die opening distance drag hook is connected between the lower top plate 10 and the fixed die plate 3, the second die opening distance drag hook is connected between the upper top plate 12 and the fixed die plate 3, during die opening, the movable die plate 8 and the fixed die plate 3 are driven by power to open the die and separate, and under the action of the first die opening distance drag hook, the lower top plate 10, the middle top plate 11 and the upper top plate 12 are pulled upwards together, so that the lower top plate 10 drives the concave-convex straight ejector rod 20 and the boundary straight ejector rod 25, the middle top plate 11 drives the inverse buckle inclined ejector rod 28 through the inclined slide seat 29, the upper top plate 12 drives the push pipe 35, the concave-convex straight ejector rod 20 drives the concave-convex assembly ejector block 15 to vertically eject, the boundary straight ejector, the back-off inclined ejector rod 28 drives the back-off ejector block 17 to eject upwards in an inclined manner, the ejector pipe 35 is ejected at the bottom of the positioning column hole 94, meanwhile, the upper ejector plate 12 drives the small ejector rod 31, the small ejector rod 31 drives the small ejector block 30 to eject upwards vertically, in the process, the product 9 is ejected from the movable template 8, meanwhile, the back-off ejector block 17 is ejected from the inner side edge of the boundary back-off 92 in an inclined manner, after a certain distance is opened, the first mold opening distance drag hook is separated from the lower ejector plate 10 and the middle ejector plate 11, the mold continues to open, at the moment, the lower ejector plate 10 and the middle ejector plate 11 are not moved, the concave-convex assembly part 91, the boundary back-off 92 and the positioning column hole 94 are ejected, and the second mold opening distance drag hook drives the small ejector rod 31 and the small ejector block 30 on the upper ejector plate 12 to eject upwards to eject the product 9 completely from the mold, at the moment, the product 9 is taken out from the mold by manpower or a manipulator, in, and (5) demolding the product. The zero-offset ejector block mechanism has the advantages that each ejector block is compact and ingenious in design, seamless and traceless in matching, zero-offset assembly is achieved, and injection molded products are good in quality and high in grade.

Claims (1)

1. Zero offset kicking block mechanism of car door plant decoration injection mold, including mould cover half compound plate (1) and movable mould compound plate (2), install fixed die plate (3) under the fixed die compound plate, install runner frame (4) on the movable mould compound plate, set up runner plate (5) in the runner frame, runner shelf mounting bottom plate (6), install on the bottom plate die foot (7), install movable mould board (8) on the die foot, set up the die cavity between movable mould board (8) and fixed die plate (3), there is injection moulding's product (9) in the die cavity, the system has unsmooth assembly portion (91), border back-off (92), fixed post hole (93) and locating post hole (94) on the product, die foot (7) between set up roof (10), well roof (11) and last roof (12), its characterized in that movable mould board (8) on set up unsmooth assembly kicking block (15) that correspond with unsmooth assembly portion (91) and border back-off (92), A boundary top block (16) and a reverse top block (17);

the concave-convex assembly ejector block (15) is matched with the concave-convex assembly part (91), the concave-convex straight ejector rod (20) is connected below the concave-convex assembly ejector block (15), and the concave-convex straight ejector rod (20) is connected with the lower ejector plate (10);

the boundary ejector block (16) is matched with the outer side edge of the boundary reverse buckle (92), the boundary straight ejector rod (25) is connected to the lower portion of the boundary ejector block (16), and the boundary straight ejector rod (25) is connected with the lower ejector plate (10);

the reverse buckling top block (17) is positioned below the concave-convex assembling top block (15), the reverse buckling top block (17) is matched with the inner side edge of the boundary reverse buckle (92), the lower part of the boundary reverse buckle (92) is connected with a reverse buckling inclined top rod (28), an inclined sliding seat (29) is arranged in the middle top plate (11), and the reverse buckling inclined top rod (28) is connected with the inclined sliding seat (29);

a small ejector block (30) is arranged in the concave-convex assembly ejector block (15), the head of the small ejector block (30) extends out of the concave-convex assembly ejector block (15) to be matched with the periphery of the outer wall of the fixed column hole (93), a small ejector rod (31) is connected below the small ejector block and connected with the upper ejector plate (12), a column hole core rod (33) is installed in the concave-convex assembly ejector block (15), and the hole core rod (33) is matched with the inner hole wall of the fixed column hole (93);

the lower top plate (10) is connected with a push pipe (35), the bottom plate (6) is connected with a thimble (36), the thimble (36) penetrates through the push pipe (35) and is matched with the inner hole wall of the positioning column hole (94), and the concave-convex assembly top block (15) surrounds the periphery of the outer wall of the positioning column hole (94).

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